Electrochemical performance and stability improvement of triclinic LiVOPO4 cathode material via simultaneous Y doping and YPO4 surface modification

Ahsan, Zishan; Wang, Shuai; Cai, Zhengyu; Ma, Yangmin; Jin, Chuangui; Song, Guowen; Zhang, Shihong; Yang, Weidong; Chen, Wen

doi:10.1016/j.apsusc.2022.154289

Cited by 1 publication

(2 citation statements)

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“…In addition to applying these modification strategies individually, the combination of these strategies is considered an effective approach to make phosphate based polyanion cathode materials commercially viable. [11,208] For example, surface coating, element doping and morphology control are often employed simultaneously to prepare phosphate based materials. The synergistic effect of these strategies demonstrates exciting results.…”

Section: Electrode Designmentioning

confidence: 99%

“…In this regard, rechargeable LIBs have enticed great attention due to the advantages of long working life and high energy densities leading to its successful application in portable electronic devices, electrical transportation and grid storage applications. [9][10][11] However, the excessive demand of LIBs installation makes rare lithium reserves more costly and unsuitable for future energy storage markets, especially grid-scale stationary energy storage applications. In this regard, SIBs with Na + as the charge carrier exhibit substantial economic advantage over LIBs and possess energy storage chemistry similar to LIBs.…”

Section: Introductionmentioning

confidence: 99%

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Recent Development of Phosphate Based Polyanion Cathode Materials for Sodium‐Ion Batteries

Ahsan,

Cai,

Wang

et al. 2024

Advanced Energy Materials

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Sodium‐ion batteries (SIBs) are regarded as next‐generation secondary batteries and complement to lithium‐ion batteries (LIBs) for large‐scale electrochemical energy storage applications due to the abundant availability, even distribution, and cost‐effectiveness of raw sodium resources. The phosphate‐based polyanions stand out of various cathode material owing to their high operation voltage, stable structure, superior safety, and excellent sodium‐storage properties. The undesirable electric conductivities and specific capacities limit their large‐scale industrialization. Herein, a recent research development of phosphate‐based polyanion cathodes including orthophosphate, oxyphosphate, pyrophosphate, and mixed phosphates is thoroughly reviewed. Subsequently, the effect of modification strategies including element doping, surface coating, morphology control, and electrode design toward high‐performance cathode materials for SIBs are systematically explored. Finally, the future research directions of phosphate‐based polyanion cathodes based on electrochemical performance including reversible capacity, voltage, energy density, rate capacity, cycling stability, and commercial applications are comprehensively concluded. It is believed that current review will present instructive perspectives into developing practicable phosphate‐based polyanion cathode materials for SIBs.

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Section: Electrode Designmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%